Most of the sites we program make use of shortcodes. Shortcodes are a handy way to apply custom styles or HTML to an element from within the WordPress admin. Examples of this my include horizontal rules, code to clear floated images, or call to action buttons. Simply paste them into the body content area when applicable.
[clear] can be used to clear floated images.
[hr] can be used to display a horizontal rule.
Please refer to your site guide to see which shortcodes have been programmed for your site.